SELECTED TOXICITIES OF THE XELOX REGIMEN AS ADJUVANT CHEMOTHERAPY IN ELDERLY PATIENTS WITH GASTRIC CANCER AT VIETNAM NATIONAL CANCER HOSPITAL. YHCĐ. 2026;67(Số CĐ12- Bệnh viện Ung bướu Nghệ An). doi:10.52163/yhc.v67iCD12.6276